tint->dawn: Move src/dawn_native -> src/dawn/native

Bug: dawn:1275
Change-Id: Ic60a00107a015bc677ff929c492f1085ffc38482
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79083
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Ben Clayton <bclayton@chromium.org>

src/dawn/native/opengl/SpirvUtils.h

@@ -0,0 +1,51 @@
+// Copyright 2020 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// This file contains utilities to convert from-to spirv.hpp datatypes without polluting other
+// headers with spirv.hpp
+
+#ifndef DAWNNATIVE_OPENGL_SPIRV_UTILS_H_
+#define DAWNNATIVE_OPENGL_SPIRV_UTILS_H_
+
+#include "dawn/native/Format.h"
+#include "dawn/native/PerStage.h"
+#include "dawn/native/VertexFormat.h"
+#include "dawn/native/dawn_platform.h"
+
+#include <spirv_cross.hpp>
+
+namespace dawn::native {
+
+    // Returns the spirv_cross equivalent for this shader stage and vice-versa.
+    spv::ExecutionModel ShaderStageToExecutionModel(SingleShaderStage stage);
+    SingleShaderStage ExecutionModelToShaderStage(spv::ExecutionModel model);
+
+    // Returns the texture view dimension for corresponding to (dim, arrayed).
+    wgpu::TextureViewDimension SpirvDimToTextureViewDimension(spv::Dim dim, bool arrayed);
+
+    // Returns the texture format corresponding to format.
+    wgpu::TextureFormat SpirvImageFormatToTextureFormat(spv::ImageFormat format);
+
+    // Returns the format "component type" corresponding to the SPIRV base type.
+    wgpu::TextureComponentType SpirvBaseTypeToTextureComponentType(
+        spirv_cross::SPIRType::BaseType spirvBaseType);
+    SampleTypeBit SpirvBaseTypeToSampleTypeBit(spirv_cross::SPIRType::BaseType spirvBaseType);
+
+    // Returns the VertexFormatBaseType corresponding to the SPIRV base type.
+    VertexFormatBaseType SpirvBaseTypeToVertexFormatBaseType(
+        spirv_cross::SPIRType::BaseType spirvBaseType);
+
+}  // namespace dawn::native
+
+#endif  // DAWNNATIVE_OPENGL_SPIRV_UTILS_H_